VIII. Give Ukrainian equivalent of the following words and word- combinations:

Energy, electricity, power, electric power, electric power industry, power station, power plant, hydropower station, power engineering, nuclear power station, put into operation, kilowatt.

IX. Fill the blanks using conjunctions as if, where, if, because, whatever, as, which, when, and translate into Ukrainian.

1. We know that copper was the first material widely used ... it was easily obtained in a pure state. 2. What is the country ... dollars and cents are in common use? 3. He speaks about the new electronic automatic device

he didn't know it. 4. I'll be happy ... I have something to drink. 5. ...the

difficulties were they have overcome them. 6. I asked ... the test of the new engine had begun. 7. We build power stations on the rivers from ... a large supply of water can be drown. 8. It was a time... there was a great demand for new designs of engines in many countries.

X. Use the correct form of the words in the brackets. Translate the sentences into Ukrainian.

1. Special kinds of... are used for measuring radiation, (to count). 2. In the race between production of radioactivity and production of means of..., the second may be the.... {to protect, to win). 3. Radiation may cause ... ... (danger, ill). 4. Radioactive materials are transported in heavy lead.... (to contain). 5. All modern enterprise dealing with atomic energy are built for... (safe). 6. Severe ... to radiation can be very dangerous, (to expose). 7. Burns are always very .... (pain). 8. Radiation can cause burns and ... of various kinds, (to injure). 9. The... of good living tissues by radiation makes it very dangerous for human health, (to destroy).

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The computer as a communications tool

Communicating by computer is almost as easy as punching the keys on a keyboard. Information is sent electronically from one computer- microcomputer, minicomputer, or mainframe—to another, either via telephone lines or through special cables and wires. What kinds of information can be sent? You name it:

magazine articles, airline reservations, bank transactions, statistics, news reports, job listings, games, movie reviews, business correspondence, football scores, computer programs, personal messages, stock prices, medical records, graphic images, weather reports.

You will read more about the variety of Information that can be sent by computer later on in this chapter.

ADVANTAGES OF COMPUTER COMMUNICATIONS

Computer communications is playing an increasingly important role not only in offices but also in schools, hospitals, libraries, and homes. People are realizing that sending and receiving information electronically offers several advantages:

1. Fast, accurate, and direct exchange of information. Sending and receiving data electronically takes only a fraction of the time needed to send it by mail or messenger. And since the information goes directly to the receiver, the sender doesn't have to worry about lost packages or incorrectly addressed envelopes.

2. Rapid information processing. Computers can sort or search through huge amounts of information in a flash. Suppose you were a lawyer who needed a history of all court cases involving the theft of government secrets. How could you get the information? Well, you could go to a law library and search through the reference books. That might take you five hours. You could, instead, use a computer that is electronically linked to a special data bank of legal information. Using that method, you could obtain the information in less than an hour - and never even leave your law office!

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